Control of Chaos in a Power-Factor-Correction Boost Converter

A.N. Natsheh (Jordan), J.G. Kettleborough (UK), and G.N. Dheim (Syria)


Nonlinear systems, ACDC PFC boost converter, Bifurcation and Chaos theory, and Delayed continuous current feedback controller.


A delayed feedback control scheme for reducing chaotic behaviour in a peak current-mode controlled power factor-correction (PFC) boost converter is described. Practical implementation of the control strategy is achieved using an 89C51 microcontroller and experimental results and MATLAB/SIMULINK simulations show the effectiveness and robustness of the scheme.

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